Astrobiology

Imaging & Spectroscopy Status Report astro-ph.EP July 18, 2025 Examples of gt-CAE reconstructions and cross-comparison with fixed noise level trained CAEs. Left: Results on attempted reconstructions of 5 unseen/validation subimages

Logarithm of exomoon lifetime (log10 (𝑡max ); color coded) from stability simulations that vary a host planet’s mass, tidal constant time-lag, 𝜏p, and initial eccentricity while using Earth-like parameters for

VLA Photo: Credit: NSF/NSF NRAO/AUI/B.Foott This white paper highlights the work that is needed to anticipate the challenges and societal impacts of a possible technosignature detection. We recommend practical steps

The circumstellar disk candidate in optical (left) from the Rubin Observatory “First Look” image and in infrared (right) from the Spitzer IRAC Healpix survey. Both images are 40″ on a

This is HOPS-315, a baby star where astronomers have observed evidence for the earliest stages of planet formation. The image was taken with the Atacama Large Millimeter/submillimeter Array (ALMA), in

Visual summary of key considerations and arguments about the nature and scope of the definition and use of the term “habitable.” There are strong and valid arguments both for a